Re: [uml-devel] syscall sysinfo error

[BlaisorBlade <blaisorblade_spam@yahoo.it>]

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Alle 17:35, domenica 15 febbraio 2004, Martin Theiß ha scritto:
> recently i tried to run debian-installer on a 2.6.2 uml kernel.
> it didn't
> work. i determined the problem has to be the syscall sysinfo. it return
> zeroed values for totalram and totalswap.
0 for total swap is correct in your case, since you do not enable a swap; 0 
for total ram is wrong but has been fixed in the official Uml patch 2.6.3-rc2 
(it seems that it applies well onto 2.6.2; there are two rejects which must 
be ignored). Or better: the patch fixes the 0 value for totalRam in 
/proc/meminfo; that should fix also the sysinfo value, but if it does not, 
just complain again.

If you want to use patch 2.6.1, apply the attached patch on top of that to fix 
things.

>
> Is this a general problem of uml or is it a problem of busybox, which is
> using this method to determine the amount of free memory?
A uml 2.6 (now fixed) bug, which creates problem to anything using this 
(correct) method. It also caused ps u to crash for a division by 0.

Bye
-- 
Paolo Giarrusso, aka Blaisorblade
Linux registered user n. 292729

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--- 1.21/arch/um/kernel/mem.c   Thu Jan  8 07:43:01 2004
+++ edited/arch/um/kernel/mem.c Mon Jan 26 11:02:13 2004
@@ -30,7 +30,6 @@
 int kmalloc_ok = 0;
 
 static unsigned long brk_end;
-static unsigned long totalram_pages = 0;
 
 void unmap_physmem(void)
 {